@MISC{BeOlSc2008,
    author = "Bell, W. N. and Olson, L. N. and Schroder, J.",
    title = "{PyAMG}: Algebraic Multigrid Solvers in {Python} v1.0",
    year = "2008",
    url = "http://www.pyamg.org",
    note = "Release 1.0"
}
